Earlier this year an investigation by the BBC found hospital services in nearly two thirds of the 44 areas were under threat with widespread concern the infrastructure was not in place in the community to cope.

Find out the NHS plans in your area

Need help finding out which region you are in? See the map at the foot of the page.

Why the NHS is making changes

The STP proposals have been drawn up as part of NHS England's five-year strategy to release £22bn of efficiency savings by 2020.

Reviews were set up in early 2016 in 44 different areas led by local managers.

Each area was asked to submit plans to NHS England, which all have done, and public consultations are due to take place later this year where major changes are being proposed.

NHS England has said the programme is not about cutting services, but delivering them in more efficient and appropriate ways.

It believes patients will benefit from more care in the community and say the programme will lead to a range of benefits, including:

new "super" community hubs of GPs, care workers and district nurses

seven-day opening of GPs

better access to hospital specialists in the community

What's the reaction?

Liberal Democrat health spokesman Norman Lamb was also critical of the STP process.

He said they were "based on the fantasy that there is enough money".

"The Conservatives are re-organising the deck-chairs while the good ship NHS is sinking because they are starving it of funds," he added.

But Health Secretary Jeremy Hunt said: "These local plans are developed by local doctors and communities, backed by the top doctors and nurses of the NHS, and will improve patient care."

He said they were "underpinned" by extra funding the health service was receiving up to 2020 and that only the Conservatives could "lock in the economic progress we have made and keep improving the NHS".

Analysis: Is stopping these plans credible?

This is not the first time political parties have tried to make the idea of hospital cuts an issue in an election.

In the run up to the 2010 general election, Tory shadow health secretary Andrew Lansley said he wanted to see a moratorium on hospital closures being proposed.

Some of the changes that were being proposed back then are part of the STP process.

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The truth is closing hospital services has been a political "hot potato" for decades.

While there is widespread agreement the NHS is too based around hospitals - over half of the budget is spent on them - changing the status quo has proved difficult.

NHS England has argued shifting care into the community will save money and also benefit patients by providing care in the community and closer to their home.

In theory, that will help them get care at an earlier stage before their condition worsens. Some have estimated that could help save a third of the £22bn efficiency target.

If this is not to happen, Labour needs to set out how it will make savings or whether it will increase the NHS budget by more than is currently planned - and how that will be paid for.